39887900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{503}}^1$

素因数の和:591

約数の個数: 72

約数和(自身を含む): 94931424

約数和(自身を除く): 55043524

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 61, 65, 100, 122, 130, 244, 260, 305, 325, 503, 610, 650, 793, 1006, 1220, 1300, 1525, 1586, 2012, 2515, 3050, 3172, 3965, 5030, 6100, 6539, 7930, 10060, 12575, 13078, 15860, 19825, 25150, 26156, 30683, 32695, 39650, 50300, 61366, 65390, 79300, 122732, 130780, 153415, 163475, 306830, 326950, 398879, 613660, 653900, 767075, 797758, 1534150, 1595516, 1994395, 3068300, 3988790, 7977580, 9971975, 19943950, 39887900]

約数ペア:

[(1, 39887900), (2, 19943950), (4, 9971975), (5, 7977580), (10, 3988790), (13, 3068300), (20, 1994395), (25, 1595516), (26, 1534150), (50, 797758), (52, 767075), (61, 653900), (65, 613660), (100, 398879), (122, 326950), (130, 306830), (244, 163475), (260, 153415), (305, 130780), (325, 122732), (503, 79300), (610, 65390), (650, 61366), (793, 50300), (1006, 39650), (1220, 32695), (1300, 30683), (1525, 26156), (1586, 25150), (2012, 19825), (2515, 15860), (3050, 13078), (3172, 12575), (3965, 10060), (5030, 7930), (6100, 6539)]